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Saying Bye to Schools Kids in Gandhinagar, Gujarat
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Race Tracker Black Passive Noise Cancellation Stereophone $30.72 Koss developed the KDE250 with a pair of dynamic transducers that mount at a perpendicular angle. The larger 20mm transducer is low frequency dominant and ported while the 13mm transducer focuses on mid and upper frequencies in a side firing angle. This combination of transducers allows greater efficiency and accuracy across the entire musical spectrum to levels that exceed audibility. The Koss Ra... |
